les actu, les insolites, la vu sur notre monde

August 2017

09/25/2012

An illustration of the Milky Way based on photographs taken by the Spitzer space telescope. It shows our Sun in the side arm called 'Orion Spur', below the light-coloured centre of the galaxy. The abbreviation 'ly' provides the distance in light years; one light year corresponds to around 9.5 trillion kilometres.